Finding the Fourth Proportional to 11,328,809.30, 16,990,852.35 and 4,143,727.70
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Solution
The fourth proportional to 11,328,809.30, 16,990,852.35 and 4,143,727.70 is: 6,214,727.75
Step by Step Solution
- Step 1: Write the proportion equation
11,328,809.30 : 16,990,852.35 = 4,143,727.70 : x - Step 2: Convert to fraction form
11,328,809.30/16,990,852.35 = 4,143,727.70/x - Step 3: Cross multiply
11,328,809.30x = 16,990,852.35 × 4,143,727.70 - Step 4: Simplify right side
11,328,809.30x = 70,405,465,529,305.11 - Step 5: Solve for x
x = 70,405,465,529,305.11/11,328,809.30 - Step 6: Final answer
x = 6,214,727.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.